Yes they will!
But for me that is not an option, don't want to build a large case around the heat sinks. I want the heat sinks to sit outside. I am MORE than happy with 40C heat sinks.
I can even turn up the bias a bit more. keeping a close eye on temperature over the long run.
Currently sitting on 36Watt Class A into 8ohms.
thanks!
But for me that is not an option, don't want to build a large case around the heat sinks. I want the heat sinks to sit outside. I am MORE than happy with 40C heat sinks.
I can even turn up the bias a bit more. keeping a close eye on temperature over the long run.
Currently sitting on 36Watt Class A into 8ohms.
thanks!
Hi! Everybody is good!
I came back!
These days are being busy are a customer develop LME49830 the power amplifier (to have free time publish, measured that test plate may also free give everybody), therefore came the very few time to here.
I came back!
These days are being busy are a customer develop LME49830 the power amplifier (to have free time publish, measured that test plate may also free give everybody), therefore came the very few time to here.
hi gxcnabin
how big voltage work on caps 10uf near the 1000uf 16v caps ?
pls give me direction too to solder upc 1237, photo pls
how big voltage work on caps 10uf near the 1000uf 16v caps ?
pls give me direction too to solder upc 1237, photo pls
Hi pocoyo
in post 284 is a few pictures that might help.
as you can see from the footprint pin one is the pin closest to the fuse holder.
pin one on the ic is left pin if you have the 45 degree corner facing you. (hope that makes sense).
The 10uF caps can be 16 volts. To be very safe you can use 50V and higher.
I will be using a 12V dc fan on mine. I will be using lm35 temp sensors(one on each heat sink) and some op amp trickery to make the fan change with temp of heat sinks and also have a complete cutout of power if temp goes too high.
This weekend was spent reading Douglas Self's book. 🙂
in post 284 is a few pictures that might help.
as you can see from the footprint pin one is the pin closest to the fuse holder.
pin one on the ic is left pin if you have the 45 degree corner facing you. (hope that makes sense).
The 10uF caps can be 16 volts. To be very safe you can use 50V and higher.
I will be using a 12V dc fan on mine. I will be using lm35 temp sensors(one on each heat sink) and some op amp trickery to make the fan change with temp of heat sinks and also have a complete cutout of power if temp goes too high.
This weekend was spent reading Douglas Self's book. 🙂
Here is the perfect enclosure for these amps, look familiar look close at the labeling.
A HIEND full Aluminum power AMP Chassis?box) 16KG - eBay (item 180571764438 end time Nov-07-10 07:11:31 PST)
Chad
A HIEND full Aluminum power AMP Chassis?box) 16KG - eBay (item 180571764438 end time Nov-07-10 07:11:31 PST)
Chad
KSA-50 bits
Hi everyone,
I've been collecting parts for my KSA-50 for a while now. I started with the essentials like the heatsinks. A lucky bit of ebaying has landed me some nice bits. Take a look ....
Some of the output devices went into melt down mode and took out the drivers and pcb, apparently it was scorched so badly it was not possible to reuse.
The capacitors and bridges were sold before I could bid on them, although they were probably worn out from 20+ years of use, the mounting hardware would have been useful.
Lets hope I can bring her back to her former glory. I still need the following parts : psu capacitors, rectifiers, soft start, speaker delay, DC protection, decent speaker binding posts, driver board and components and various mounting hardware.
Now I'll have to see if I can adapt Abin's KSA-50 pcb, with minimum changes as it is such a beautiful board, I don't want to cut it up too much!
Regards
fs
Hi everyone,
I've been collecting parts for my KSA-50 for a while now. I started with the essentials like the heatsinks. A lucky bit of ebaying has landed me some nice bits. Take a look ....
Some of the output devices went into melt down mode and took out the drivers and pcb, apparently it was scorched so badly it was not possible to reuse.
The capacitors and bridges were sold before I could bid on them, although they were probably worn out from 20+ years of use, the mounting hardware would have been useful.
Lets hope I can bring her back to her former glory. I still need the following parts : psu capacitors, rectifiers, soft start, speaker delay, DC protection, decent speaker binding posts, driver board and components and various mounting hardware.
Now I'll have to see if I can adapt Abin's KSA-50 pcb, with minimum changes as it is such a beautiful board, I don't want to cut it up too much!
Regards
fs
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